Sony DCR-TRV230 Service Manual page 97

For Schematic Diagram
• Refer to page 4-11 for printed wiring board.
• Refer to page 4-104 for waveforms.
2 3 4
1
VC-254 BOARD(18/18)
DC/DC CONV.(DD BLOCK)
A
-REF.NO.:10000 SERIES-
NO MARK:REC/PB MODE
XX MARK:NO MOUNT R :REC MODE
P :PB MODE
BL_GND
65
TO(5/18) BL_REG
BL_CONT
BL_REG_UNREG
C/D_VS_D1.5V
B 149 TO(17/18
(CN1113)) VTR_UNREG
REG_GND
MT_GND
REG_GND
VTR_UNREG
C
D_2.8V
136 TO(14/18) DRUM_VS
CAP_VS
MT_5V
CAP_ERROR
DRUM_ERROR
D
ET131
ET132
ET133
E C1308
2200p R1309
R1305 B 10k
0
16 15 14 13 12 11 10 9 8 7
F
R1303
56k
0.9
± 0.5%
FEED_BACK-5
2.0
R1307 OUTPUT_MONITOR-4
6800
1.4
C1307 INV_INPUT-4
4700p 0.8
B
FEED_BACK-4
R1301
0.8
22k
RT IC1301
C1301
1.2
220p
CT
B
0
DC/DC CONVERTER
C1304
SCP
0.1u
G
B 1.5
IC1301
MOS_DUTY
R1302
33k CXA3057R-T6
GND
C1305
2.1
0.047u SOFT_START
B
1.5
C1302
VREF
0.1u
8.3
B
VCC
C1303 2.9
STANDBY-3
0.1u B
2.9
STANDBY
1.4
STANDBY-7
H
0.9
FEED_BACK-3
C1306
0.01u
B
R1306
15k
33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48
I
C1309
680p
B
R1311
22k
R1345
R1346
R1360 0
XX
0
J
R1310
27k
± 0.5%
K
L
16
5 6 7 8
8.3 1 6 4.2
L1317
7.9 2 5
22uH
3 4
Q1309
CPH6702-TL
SWITCHING
C1332 C1344
4.7u 4.7u
10V
10V
B
B
Q1305
CPH6702-TL
SWITCHING
C1324
8.3 1 6 1.4
XX
B
8.1 2 5
C1321
3 4
4.7u
10V
B
C1314
470p
B
Q1306
CPH6702-TL
SWITCHING
8.3 1 6 3.5
8.0 2 5
3 4
6 5 4 3 2 1
52
Q1303 L1305
CPH6702-TL
22uH
8.3 1 6 2.0
8.1 2 5
8.2
C1331
OUTPUT-6 3 4
Q1303,1308 4.7u
7.2
SWITCHING 10V
BOOT_CAP_L-6
8.7
3216
BOOT_CAP_H-6
2.7
OUTPUT_GND-4,5,6,7
Q1308
8.5
SI2304DS-T1
BOOT_CAP_H-5
6.9
Q1304
L1302
BOOT_CAP_L-5 CPH6702-TL
8.0 8.3 1 6 2.9 22uH
51
OUTPUT-5
8.1 8.0 2 5
OUTPUT-4
7.1 3 4
C1318
BOOT_CAP_L-4
0.001u
8.6
B Q1304,1307
BOOT_CAP_H-4
SWITCHING
2.7 C1327
MOS_GATE-4 2.2 4.7u
10V
Q1307
OUTPUT_GND-1,2,3
8.4 SI2304DS-T1
C1319
BOOT_CAP_H-3
0.001u
6.8
B
BOOT_CAP_L-3
8.0
OUTPUT-3
8.3
OUTPUT_
VCC-1,2,3
0.1
T1301
CONVERTER
4 5 6
TRANSFORMER
4 5
8.0 3 2 1
Q1301 3 6
CPH6102-TL
SWITCHING
C1315 2 7
C1313
0.001u
0.001u
B B
1 8
Q1302
CPH6702-TL
SWITCHING
8.3 1 6 4.7
7.9 2 5 L1301
33uH
3 4
C1326
C1323
4.7u
4.7u
10V
10V
B
B
4-49
9 10 11 12
L1318
4.7uH
C1347
R1350
10u
0
10V
Q1311,1312,13127
MT 5V REG
Q1311 Q1316,1329
R1316
2SB798-T1-DLDK CAM-7.5V REG
0
8.3 4.9 A_4.75V
L1303
22uH
2SC4738F-Y/GR(TPL3)
-10.5
C1329
C1348
4.7u R1317
10u
10V 47k R-9.9/
R1321
6.3V
B P-10.3
22k
Q1312
± 0.5%
2SA1774HT2L
R1323
4.9 100k
Q1327 Q1329
L1304
UP04501008S0 UP04401008S0
1.5
22uH
R1322
10k
± 0.5%
1.0
R1347
C1330 C1361 R1318
22k
4.7u 4700
± 0.5% XX
10V
L1310
L1319
4.7uH
4.7uH
TRV330/TRV530
A_4.75V
C1334 C1320
10u 10u R1368
XX
4V 4V
B
A
R1367
XX
L1306
4.7uH
D_2.8V
L1307
4.7uH
A_2.8V
L1308
22uH
AU_2.8V
L1309
22uH
EP_2.8V
C1333 C1336 C1340 C1343
22u 22u 10u 10u
6.3V 6.3V
6.3V 6.3V
B
R1361
0
D1302 13.5
1SS383(T5RSONY1) Q1333 A_4.75V
2SC4738F-Y/GR(TPL3)
EP 13.3V REG
C1337 R1319
R1370
1.4
4.7u 47k
*
F C1360
-2.2
0.1u
B
R1369
D1306
R1320
100k
1SS383(T5RSONY1)
22k
Q1314
DTC144EHT2L
EMERGENCY
DETECT
C1362
C1359
2.2u
4.7u
F F
C1358
XX
C1338
D1305
C1342
4.7u
*
F *
C1328
*
D1301
SIGNAL PATH
*
L1312 XX
EVF_BL_4.75V
L1313 4.7uH Drum servo (speed and phase)
AU_4.75V
R1349
L1314 4.7uH Capstan servo (speed and phase)
0 A_4.75V
L1315 4.7uH
PANEL_4.75V
L1316 22uH
RP_4.75V
C1346 *MARKED:MOUNT TABLE
C1335
XX
10u REF.NO.
6.3V
6.3V
DCR-TRV230/
TRV330
DCR-TRV530
13 14 15 16 17
A_4.75V
A_2.8V
D_2.8V
MT_5V
D_1.9V
Q1323,1328
CAM 15V REG
Q1316
Q1323
2SA1774HT2L
R-7.6/P0.4 EP_13.3V
16.0 14.9
R1334 R1338 EP_2.8V
R1330
100k 100k
100k
± 0.5%
± 0.5% PANEL_-15.3V
Q1328
15.4
UP04501008S0
PANEL_4.75V
4.7
4.7
Q1321
2SC4738F-Y/GR(TPL3) R1339
SWITCHNG 39k
± 0.5%
RP_4.75V
R1333
R0.5/P0 C1350
10u 47k C1352 R1340 R
R1327 R1332
0.1u 7500
22k 16V
220k ± 0.5%
B
Q1331,1332
Q1331
D1.5V REG Q1324,1330
FMMT717TA
PANEL-15.3V REG
1.9 1.55 1.56V
IC1304 PANEL_-15.3V_REG
1.3
PANEL_-15.3V
4.7 RP_4.75V
1.5V REG
Q1324
0.6 0.6 R1341
*
*
R1335
R1366
*
150
C1363 R1342 C1355
Q1330
2200p * *
R1365 *
B
1k
R1364
22k R1343
R1337
R1356 * *
47
R1362 C1322
100k
10u
± 0.5% EP_13.3V
4V
L1320
4.7uH
IC1303 AU_2.8V
RN5RZ59BA-TL
C1356
5 4 2.2u
F
IC1303
+6V REG
1 2 3
AU_4.75V
5.9
R7.5/
C1357
P8.1
10u
10V
EVF_BL_4.75V
PC_1.9V
REC REC/PB PB
C1328 C1355 D1301 D1305 Q1324 Q1330 R1335
C1342 R1337
0.01u 0.1u 2.2u 1SS357 1SS357 2SC4738F-Y UPO44O1OO8SO 100k 100k
(T3SONY1) (T3SONY1)
xx xx xx xx xx xx xx xx xx
4-50
DCR-TRV230/TRV330/TRV530
18 19 20
CAM_15V
CAM_-7.5V
A_4.75V
A_2.8V
1
TO(1/18)
D_2.8V
CAM_DD_ON
REG_GND
A_4.75V
A_2.8V
13
D_2.8V TO(2/18)
D_1.5V
REG_GND
A_4.75V
D_2.8V
25
MT_5V TO(3/18)
MT_GND
REG_GND
A_2.8V
D_2.8V
28
D_1.9V TO(4/18)
D_1.5V
REG_GND
D_2.8V
60
TO(5/18)
REG_GND
EP_13.3V
EP_2.8V
64 TO(5/18)
PANEL_-15.3V
PANEL_4.75V
REG_GND
A_2.8V
RP_6.0V
67
TO(6/18)
RP_4.75V
REG_GND
A_4.75V
81
D_2.8V TO(7/18)
REG_GND
A_4.75V
A_2.8V
82
TO(8/18)
D_2.8V
REG_GND
RP_4.75V
A_2.8V 87 TO(9/18)
REG_GND
D_2.8V
CAM_DD_ON
93
TO(10/18)
VTR_DD_ON
REG_GND
A_2.8V
118 TO(11/18)
D_2.8V
REG_GND
A_4.75V
A_2.8V
144 TO(12/18)
AU_2.8V
REG_GND
D_2.8V
133
TO(13/18)
REG_GND
AU_4.75V
AU_2.8V
137
TO(15/18)
MT_5V
REG_GND
123
EVF_BL_4.75V TO(17/18(CN1117))
150
PC_1.9V TO(17/18(CN1104))
A_4.75V
D_2.8V
D_1.5V
151
PC_1.9V TO(17/18)
EP_13.3V
EP_2.8V
REG_GND
AU_2.8V
147
TO(16/18)
REG_GND
R1341 R1342 R1343 R1370
4.7k 220k 68k 12k
xx xx xx 8.2k
DC/DC CONVERTER
VC-254 (18/18)